FR742244A - Foret à mèche amovible - Google Patents

Foret à mèche amovible

Info

Publication number
FR742244A
FR742244A FR742244DA FR742244A FR 742244 A FR742244 A FR 742244A FR 742244D A FR742244D A FR 742244DA FR 742244 A FR742244 A FR 742244A
Authority
FR
France
Prior art keywords
bit drill
removable bit
removable
drill
bit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
English (en)
Inventor
Harry Charles Norley
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Publication date
Application granted granted Critical
Publication of FR742244A publication Critical patent/FR742244A/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; joints
    • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E21B17/046—Couplings; joints between rod or the like and bit or between rod and rod or the like with ribs, pins, or jaws, and complementary grooves or the like, e.g. bayonet catches

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Drilling Tools (AREA)
  • Earth Drilling (AREA)
FR742244D 1931-12-10 Foret à mèche amovible Expired FR742244A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA392788X 1931-12-10

Publications (1)

Publication Number Publication Date
FR742244A true FR742244A (fr) 1933-03-02

Family

ID=4171518

Family Applications (1)

Application Number Title Priority Date Filing Date
FR742244D Expired FR742244A (fr) 1931-12-10 Foret à mèche amovible

Country Status (3)

Country Link
DE (1) DE608953C (fr)
FR (1) FR742244A (fr)
GB (1) GB392788A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11215014B2 (en) * 2017-04-25 2022-01-04 Evolution Engineering Inc. Preloadable connectors for tubing

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11215014B2 (en) * 2017-04-25 2022-01-04 Evolution Engineering Inc. Preloadable connectors for tubing

Also Published As

Publication number Publication date
DE608953C (de) 1935-02-04
GB392788A (en) 1933-05-25

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